Window-ventilator.



H. W. DREW,

WINDOW VENTILATOR.

AP PLIGATION FILED JUNE 16, 1911.

1,128,235. Patented Feb.9, 1915.

2 SHEETS SHEET 1.

Herberi Wprew v In venior: I

H. W. DREW.

WINDOW VENTILATOE.

APPLICATION FILED JUNE 16, 1911.

1,128,235. K Patented Feb. 9, 1915.

2 SEEETS-SHEET 2.

1717/87? 50 r: Herberi W Drew WM W THE NORR/s PETERS Ca. PHOTo-LITHO..wAsHlNcroN. D C

HERBERT WILLIAM DREW, OF CHICAGO, ILLINOIS.

WINDOW-VENTILATOR.

Application filed. June 16, 1911.

To all whom it may concern Be it known that I, HERBERT W. DREW, acitizen of the United States, residing at Chicago, in the county of Cookand State of Illinois, have invented certain new and useful Improvementsin Window-Ventilators, of which the following is a specification.

The object of my invention is to provide a novel structure forventilating the interior of a car which may be applied to the windowsthereof. It may also be applied to the windows of residences and inother connections where a window ventilator is desired.

The principal object of my invention is to provide a device that willdeflect the air currents in any desired direction as they flow into thecar and to so arrange the device that it may be quickly adjusted to suchpositions and will be held firmly therein. I have also endeavored toproduce a device that can be removed and folded with the utmost facilityand which can be stored away when not in use. I have also provided adevice in which the deflecting shutter may be detached and interferencewith the air currents entirely removed.

Other objects and advantages of my invention will become apparent in thefollowing specification when taken in connection with the accompanyingdrawings, in which- Figure 1 is an elevation of a portion of theinterior of a car showing my Ventilators attached to the windows. Fig. 2is a perspective view of the ventilator with the cleflectors adjusted inopposite directions to throw the currents upwardly and downwardly. Fig.3 is a perspective view showing the shutters adjusted to throw thecurrents in opposite horizontal directions. Fig. 4 is a perspective viewshowing one of the shutters closed and the other adjusted to a verticalposition spaced from the frame. Fig. 5 is a horizontal sectional view ofa portion of the ventilator at one end. Fig. 6 is a transverse sectionthereof taken substantially along the line 6, 6.

In Fig. 1 the ventilator is shown at 15, the window sash being elevatedsufficiently to Specification of Letters Patent.

Patented Feb. 9, 1915.

Serial No. 633,554.

permit its disposal in the window frame beneath said sash. The frame maybe grooved at its upper and lower edges at 15'" to permit the attachmentof any suitable packing. In the drawings I have shown the ventilatormade of two portions 16 and 17 hinged to gether at 18. Inmany cases,however, a single section may be sulficient, while in others a greaternumber of sections may be hinged to each other.

The ventilator is provided with an opening 20 into which the shutter 19is fitted. The shutter is preferably made of glass which is held in theframe 21. This frame is provided with trunnions 22 at opposite endswhich project outwardly and are adapted to enter supports 23 which arepivotall7y attached to the ventilator frame 16 or 1 The trunnions 22enter slots 24 in the said supports and may be firmly but yieldably heldin either end 26 or 27 of said slots by a flexible member 28 which issecured at its ends 29, 29 to the said supports. The flexible member 28is given a tension such that it will press the trunnion 22 against theinner edge 27 or 26 of said slots. The friction thereby produced isrelied upon to hold the shutter in any position into which it may beadjusted. A notch 26 receives the trunnion and assists in holding it inplace.

The slots 24 have a right angular inward extension 25 to which permitsthe trunnions 22 to be moved inwardly when it is desired to close theshutter. -When the trunnions have been moved to the inner ends 25 of theslots, the supports 23 may befolded upon the shutter. This is permittedby the pivotal connection 30 of said supports with the frame of theventilator.

The support 23 is so pivoted to the main frame that it bears upon theouter ends of the shutter at 19* in closing and forces said shutterfirmly against the flanges 16 of said main frame. The buttons 22attached to said trunnions permit a locking of the shutter in its closedposition thereby making it weather and burglar proof. Each button may bepivotally attached to a trunnion by a screw or pin 22 and may have awidth equal to that of the body of the trunnion thereby permitting it topass through the slot 25.

The pivot 30 is made in the lug 31 which is preferably formed of thesame sheet of metal of which the support 23 is constructed. There is oneof these lugs 31 at each of the upper and lower extremities of thesupport. The pivots 30 of the shutter 23 are preferably screws which arethreaded into strips 33 attached to the interior of the ventilatorframe.

The supports 23 are limited in their outward movements by screws 32which bear at their ends upon the supports when they are open. Thesescrews are preferably threaded into the ventilator frame and their heads32 may be conveniently reached with a screw-driver when it is desired toslack back these screws to permit a greater opening of the supports 23.Nhen the supports have been moved to the position shown in dotted linesat 35, the shutter 19 may be removed from the said supports. It will besufficient to slack back one only of the screws 32 to permit the supportto swing to the position shown by the dotted lines 35 to remove theshutter.

The inner edges of the support 23 are preferably curved or flanged, asshown at 34, and the slot 25 terminates before the inner edge 3%? isreached, thereby leaving a small connecting bar of metal 349 between theupper and lower portions of the support for purposes of strength.

lit will be seen from the perspective views 2, 3 and 4 that the shuttersin my improved ventilator may be adjusted to a great variety of annularand spaced positions with rela.

tion to the frame of the ventilator. In Fig. 2 one of the shutters isadjusted to throw a current of air upwardly and the other to throw itdownwardly. By closing one of the supporting frames 23 the shutter maybe adjusted in a horizontal direction, as shown in Fig. 3. This willdivert the currents in horizontal directions. As shown in Fig. 4:, theshutter is shown in a vertical position and air currents upwardly anddownwardly will be produced.

Various other positions of the shutter may be effected which willdeflect the currents in any desired direction.

I have also attached the screen 36 to the ventilator frame and cindersand other undesirable objects are therefore excluded.

lVhile I have described more or less pre cisely the details ofconstruction, I do not wish to be understood as limiting myself thereto,as I contemplate changes in form and the proportion of parts and thesubstitution of equivalents as circumstances may suggest or renderexpedient without departing from the spirit of my invention.

1 claim:

1. In a device of the character described, a frame having an opening,and a shutter for said opening adjustable to various angular and spacedrelations to said frame, said angular relations being variable indifi'en ent planes.

2. In a device of the character described, a frame having an opening, ashutter for said opening, and supports for said shutter pivotallyattached to said frame adapted to hold said shutter in various angularand spaced relations in different planes to said frame and to fold intoclose relation to said shutter.

3. Tn a device of the character described, a frame having an opening, ashutter for said opening having trunnions, supports for said shutterpivotally attached to said frame and having slots to receive saidtrunnions, and means for yieldably holding said trunnions in differentparts of said slots.

4. In a device of the character described, a frame having an opening, ashutter for said opening having a trunnion, a support for said trunnionpivotally attached to said frame and having a slot to receive saidtrunnion, and means for yieldably holding said trunnion at difi erentparts of said slots and at different rotary positions thereof.

5. In a device of the character described, a frame having an opening, ashutter for said opening having a trunnion. a support for said trunnionpivotally attached to said frame and having a slot to receive saidtrunnion, means for yieldably holding said trunnion at different partsof said slot and at different rotarv positions thereof. and means fornormally limiting the pivotal movement of said support to maintainengagement with said trunnion and to permit a wider opening of saidsupport at the will of the operator to release said trunnion.

6. In a device of the character described,

amain frame having an opening, a shutter for said opening, supports forsaid shutter adapted to hold said shutter in various angular and spacedrelations to said frame, and also adapted to force said shutter firmlyagainst said frame in its closed position.

7. In a device of the character described, a main frame having anopening, a shutter for said opening, supports for said shutter adaptedto hold said shutter in various angular and spaced relations to saidframe, and also adapted to force said shutter firmly against said framein its closed position, and means for locking said parts in saidposition.

8. In a device of the character described, lations to said frame, andmeans for yield- 10 a frame having an opening, and a shutter ablyholding said shutter in said positions. for said opening having bothpairs of its In testimony whereof, I have subscribed oplposite edgesgdgustable to different spaced my name. re ations to sai 'rame.

9. In a device of the character described, HERBERT WILLIAM DREW a framehaving an opening, a shutter for Witnesses: said opening having bothpairs of its oppo- EDYTHE M. ANDERSON, site edges adjustable todifferent spaced re- HENRY A. PARKs.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, 1 Washington, D. 0.

